SEA - ONT Price
|
$176 - $271
|
ONT Temperature
|
53.6 - 78.8 °F
|
ONT Rainfall
|
0.1 - 3.4 inches
|
Popular in December High demand for flights, 24% potential price rise |
Cheapest in July Best time to find cheap flights, 15% potential price drop |
Round-trip from $176 From Seattle/Tacoma Intl to Ontario |
One-way from $118 One-way flight from Seattle/Tacoma Intl to Ontario |
Flights from Seattle to Ontario lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Ontario in May, with the cheapest ticket starting at $103.
A simple way to save on the total cost of your ticket is to fly from Seattle to Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.
Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Ontario. Check prices with Cheapflights to find a great deal for your trip.
Users have found that booking a flight from Seattle to Ontario at least 59 days early can save you up to 100% on average compared to booking a flight this week. If booking 59 days before your flight isn’t an option for you, users have found flights from Seattle to Ontario for as little as $246 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $359 for flights departing within the next 3 days.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
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$14 | $20 | No cancel fee | 66% |
We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information. |
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$71 | $304 | No cancel fee | 69% | ||
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$78 | $247 | No cancel fee | N/A | ||
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$81 | $197 | No cancel fee | 75% |
Evening 6 PM to midnight | 45% of SEA to ONT departures |
Afternoon Noon to 6 PM | 35% of SEA to ONT departures |
Early morning Midnight to 6 AM | 12% of SEA to ONT departures |
Morning 6 AM to noon | 8% of SEA to ONT departures |